The Annual Report Project Essay Example for Free

The Annual Report Project EssayGeneral Electric, short as GE, is a leading multi-industrial company involving in expertness, appliance, finance and back breaker line of workes. It has more than 100 days of history, and generally be viewed as one of the some successful harvest-tide and service providers across continents. GE has gross taxation of more than 147 billion dollars, and is currently ranking No.6 in Fortune 500 U.S. by revenue.A. IntroductionGeneral Electric attach to (GE) is a multinational complex corporation headquartered in Fair reach, Connecticut, United States. Its core business enterprise contains four segments, including Energy, Finance, Technology infrastructure, and Consumer and Industrial. GE was founded initially by Thomas Edison, and then merged with Thomson-Houston Electronic gild in 1892. It was one the original 12 companies that were included for Dow Jones Industrial Average calculation in 1896, and is the only one that still being listed as of today.* number of the Chief Executive Officer Jeffrey R. Immelt* Corporate Headquarters 3135 Easton Turnpike, Fairfield, CT 06828* Ending of last fiscal year Dec 31, 2011* Description of the companys article of belief products or services General Electronic contains four major business sectors. GE Energy is constructed by two major segments. The Oil Gas incision is a drill solution and refinery service provider, and the power department is one of the leading manufactures in designing and producing innovative, reliable, efficient, and high-performance jet locomotive engines. GE Technology base of operations is a business group dealing with machine production for healthcare and transportation. GE Capital is the monetary service provider primarily focuses on loans and leases that it underwrites to retard on its own balance sheet rather than on generating fee by originating loans and leases.GE family unit Business Solutions is another GE major business unit composed of intell igent platforms department and lighting department. The intelligent platforms are involving in producing next generation hardware and software for industrial control, and lighting department mainly engaged in home appliance production and maintenance. * Main geographic area of activity (in order of revenue significance) United States, Canada, europium, Asia, Australia, Africa. * Name of Companys independent accountants (KPMG LLP). Base on the analysis of independent auditor, the GE consolidated financial statements released to the public presented fairly, in a whole, the financial position of GE as the date of Dec 31, 2011 and 2010.Also, the statements of operations and cash flows for the three consecutive years from 2009 to 2011 are conformed to U.S. generally accepted accounting principles (GAAP). The independent accountants also state that the GE maintained effective internal control over financial reporting as of Dec 31 2011, according to the criteria established in interior( a) Control-Integrated Framework issued by COSO. * The most recent price of companys stock and its dividend per share The current price of GE stock is $20.62 as of Nov 20, 2012. The most recent dividend payment date was Oct 25, 2012 (record date was Sep 24, 2012) with amount per share of $0.17.B. Industry Situation and Company PlansGE Energy unit is a product and service provider across different force industries, including coal, oil, natural flatulence, nuclear power and renewable energy like wind or solar energy. In general, global energy business experienced a boosting period in the past twenty years due to the economic rapid growth in Asia. Coal, Oil and natural gas are top 3 widely used fossil fuels in energy industry, accounting for 55% of total energy demands. GE Energy has the advantage of applying advanced technology from oil production and production, liquefied natural gas pipelines and storage to industrial power generation and it is the largest natural gas provider in U.S. Based on GEs patents on renewable energy, it greatly expands its business cooperation in Asia in the past three years within the countries that have great environmental issues, like China. In 200920011, GE acquired two wind turbine companies, Scan Wind and Wind Tower System, and became one of the largest engine manufactures, second only to well-known British company, Rolls-Royce plc.Healthcare in GE Technology Infrastructure business unit takes the dominant position in the field of diagnostic imaging service and integrated clinical system providers. While it has offices around the globe, the Healthcare department has major regional operation in Europe and Asia. Transportation in GE Technology Infrastructure business unit basically produces locomotive and its accompanied equipment, large electric motors and propulsion systems for mining, oil drilling and engine industries. Because of its comparative advantage of research and development, the GE Transportation unit experienced a fast expansion in the past several years, and in 2011 they announced plans to build another locomotive factory in Texas to meet the increasing demand.GE Capital has two major parts of services, aviation services, and energy financial services. The aviation service is responsible for the leasing of aircraft and associate equipment to airlines. According to 2005 Airfinance Journal Operating Lessor Survey, GE aviation service department is the largest aircraft lessor in the world by the fleet size. The success of this business is primarily due to the heavily competition between the airlines, and each airline company intends to lease cheap aircraft to reduce their cost. The capital of the United States intensive companies, like GE, has the advantage to meet their needs. Energy financial services department is primarily responsible for auxiliary role such as providing financial and technological investment in energy infrastructure projects around the world, and their major investments a re the projects across the different business segment of the General Electric.GE Home Business Solutions is composed of GE luminance and GE Intelligent Platforms. GE Lighting is well known for its household appliance traced back from Thomas Edisons work on lighting. Because of its dominant position in the business, lighting department generates descent amount of the revenues for the whole group. In 2011 the gross revenue for GE Lighting is about 3 billion. Intelligent Platforms departments designs, manufactures, and supplies hardware and software products for industrial control and automation. Their hardware products including programmable logic controllers (PLCs), programmable automation controllers (PACs), as well as software products including supervisory control and data acquisition (SCADA) has good reputation in the market, its major role is to provide research and development support for other GE business units to evolve their products. The revenue in Intelligent Platforms i s about 135 million, and is not a huge profit resource for the whole group.

Effect Of Moisture Contents And Storage Temperature Citrus Seeds Biology Essay

Effect Of Moisture Contents And Storage Temperature Citrus ejaculates Biology EssayKing et al. (1981) dictated that the length of service of various citrus tree tree sows improved as the retention temperature and wet content of seeds were decreased. The lemon, burnt lime and sour o trim desiccated up to 5 % moisture contents and stored at -20 C suffered no significant decline in viability within the storehouse period of seven months for lime, lemon and sour orange separately.Nayer (1981) examined that seeds were extracted from Duncan grapeyield, pineapple, seraphical orange, Troyer citrange and spotty lemon fruits and these seeds were treated with diametrical fungicides. These seeds were then stored moist, surface dry out after 1-16 eld of juicelessing at room temperature. All quaternary citrus cultivars showed delayed sprouting due to drying at different regimes for different durations. With Duncan grapefruit, seed stored moist was 80 % germination twenty da ys before surface dry seed and some were killed by two days drying. At the other extreme, rough lemon seed bring throughd 16 days drying with out loss of viability and germination delay was not g prescriber after 16 days than after 1-2 days drying.Saraswathy et al. (1997) studied third tropical fruit species believed to vicious seed store mien, mangosteen tree (Garcinia mangostana L.), rambai (Baccaurea motleyana Muell.- Arg.) and jelentik (Baccaurea polyneura Hook. f.). Their seeds showed no dormancy and they frivol awayd more than easily and more quickly. At the cadence of harvest, the moisture contents (fresh weight basis) were 53.54, 51.20 and 44.90 % for G. mangostana, B. motleyana and B. polyneura respectively. G. mangostana seeds lost their viability when their moisture contents fell to virtually 24 % while B. motleyana seeds lost their viability below 35.5 % moisture contents. However, for B. polyneura the seeds could be dried to low moisture content with high sur vival component. The viability was still high when the order of moisture contents were reduced to 13.46 %. At this moisture content, the germination percentage was 91.76 % and it was lay down that the seeds survived cryopreservation with 8.3 % viability. They overly vary greatly in their size. Seeds of G. mangostana atomic number 18 larger than Baccaurea seeds and thus, more sensitive to the vapour tolerance. Seeds and embryonic axis structure whitethorn play a very important role in vaporization sensitivity. Fu et al. (1994) inform that the desiccation tolerance in two species with recalcitrant seeds Clausena lansium (Lour) and Litchi chinensis (Sonn.) was studied. They takeed that the good seeds were less sensitive to desiccation than the fully mature ones while the embryonic axis of the said(prenominal) stage were more tolerant of desiccation than whole seeds.Aslantus and Pirlak, (2002) report that the germination capacity of strawberry pollen increased in low temperat ure. However, germination percentage of 4C and fresh pollen was almost in commencement exercise week. Pollens that were stored at 4 C showed low 53.40 % germination percentage in early weeks still the prise of germination was further decreased quickly and up to 48 weeks the rate of germination percentage was 20.10 %. Conclusively the range of temperature and humidity are the major influencing factors in pollen behavior of different conditions. Pollens that were stored at -60C showed better results and these pollens showed 60 % viability after storing for 48 weeks. The most successful factor for pollen conservation is the depot temperatures and moisture contents of material, lowering of both temperature and humidity tends to increase the period of viability.Ganeshan (1986) studied the cryopreservation of papaya pollens in liquid nitrogen (-196 C) and found that the pollen cryopreserved for 485 days retained their viability and germination percentage as high as fresh pollens were germinated in vitro. Pollens stored for 300 days could effect normal fertilization, producing fruit and seed set on a hit with controls, indicating no major loss of fertility. Pollen samples exhibited high tolerance to direct freezing at ultra low temperatures un-controlled thawing to ambient temperature and re-freezing back to cryogenic temperatures, when viability was set after storage. This method of preservation would be more profitable for breeders and gene banks involved in conserving genetic recourses.Normah and Serimala (1995) reported that citrus aurantifolia seeds can be successfully cryopreserved at -196 C after desiccating them to a moisture content of 12.93 % (50% viability) while seeds of C. halimii entered only 25 % viability after cryopreservation at moisture contents of 9.5 %. The Seeds of C. hystrix are passing sensitive to desiccation as they failed to germinate when the moisture contents were reduced to 27 % and thus did not survive cryopreservation. The embry onic axes of the three Citrus species gave higher(prenominal) percentage of survival after cryopreservation. Survival rate was coke % in C. aurantifolia and C. halimii embryonic axes with moisture contents of 9-11 % and 16.6 % respectively. With C. hystrix axes, the highest survival rate obtained that was 60 % at a moisture content of 11.04 %. The cryopreservation methods were further employed for the embryonic axis of C. hystrix. There was no improvement in the survival percentage obtained.Khalil (1999) observed that unstratified seeds of Troyer citrange, (C. volkameriana) lime cultivars Balady and Rashidi and sour orange were extracted during January. (1) Seed fresh weight (2) Seedling issue and vigor as affected by seed weight, seed density and soaking in IBA. The comprehensible differences were observed in seed weight and uniformity and the range of its distribution. They also primed(p) that the large and high density seeds were associated with high grade of emergence of see dling.Radhamani et al. (1991) stated that the seed rise ups normally acted as a robotlike barrier for the germination of the seeds which was improved by removing it in all the seven citrus species tried and true namely limes, lemons, mandarins, sweet orange, sour orange and pummelos. The surface characteristics of the seed coat were examined using SEM and surface structure differed in the various species chthonic study. A coefficient of correlation between the thickness of seed coat and their rate of germination was found in these species.Chilembwe et al. (1992) reported that commercially processed seed of different citrus cultivars. The seeds were use as the effect of hydration and priming on the rate of germination. Seeds which were laughable in aerated water showed increased germination rates and emergence rates comequationed with that of un- soaked seeds. The soaking of seeds at 35 C temperature enhanced these differences rather than at 25 C. Priming seeds in solution of P EG 6,000 was not successful as germination and emergence percentage were lower than soaking in distilled water.Polat and Kaska (1992) studied the impacts of stratification at 4 C for 30 days on germinations for the seeds of loquat tree cultivars Gold Nugget and Tanaka. Stratification markedly increased the rate of germination percentage of seeds, resulting in 98.75 % germination. Un-stratified but chilled seeds demonstrated 68.75 % germination, while untreated and controlled seeds show 63.75 % germination. Stratified seeds germinated more rapidly than the seeds which were untreated.Kadam et al. (1994) reported that viability and rate of germination percentage of ciotrus limonia seeds were examined during the storage period for up to six weeks in the open air or in polythene bags at room temperature (90 % RH) and storage temperature 10 C (45 % RH). Both were declined during the storage periods but this decrease was least for seeds stored at 10 C +45 % RH.Dument and Berjak (1995) e xpound that the recalcitrant seeds were generally larger and show much curtailed longevity even if stored hydrated. They also determined minimum water content lastd by embryos of five recalcitrant species and their subsequent survival after cryopreservation.Roberts et al. (1999) reported that the citrus seeds have practically recalcitrant seed storage behavior, because they are super sensitive to desiccation (cryogenic) temperature condition. unremarkably it was desirable for long term storage conservation of seeds. More recently, it has proved that citrus seeds have not been considered to be truly recalcitrant, as they can tolerate desiccation to some extent. However, their tolerance is limited and varies from species to species and variety to variety. Citrus seeds are some what intermediate between orthodox and recalcitrant seeds and can be named as non orthodox.Hong and Ellis (1995) stated that there are differences in seed storage behavior among species particularly within th e genus. Seeds of C. Robusta and C. libercia were tested for germination following desiccation and storage for up to one year at -20C with 5-13 % (robusta) or 5-14 % (liberica) moisture content. Viability was lost more quickly during storage conditions the terminal the temperature below 15 C and the lowest moisture content 11.3 %. Seeds of C. liberica were more sensitive to desiccation. Only the 6 % surviving rate was obtained to desiccation with 13.5 % moisture content. It is concluded that C. libercia showed recalcitrant seed storage behavior but that C. robusta shows an intermediate seed storage behavior. Evidence is variation in seed storage behavior with in the genus Citrus and the intermediate category is decided rather than a continuum between orthodox and recalcitrant.Effect of build Growth Regulators on Citrus Seed GerminationBurger and Hackett (1982) observed that Valencia orange seeds did not germinate when the fruits were harvested during the early November, while see d from November harvested fruit stored at 3-4 C for 21 days germination was 100 %. An equivalent germination response was obtained when seeds from fruits were extracted in April. They were also examined when treatment of IBA reduced about 50% germination in seeds from non cold treated fruits.Burger (1983) reported that germination of sour orange seeds air dried for more than 1 day was delayed and the rates of germination were decreased. A naphthalene-acetic unpleasant soaked seeds reversed the effect of drying and resulted in taller seedling with stem dry weight. But stratification and a water soak did not reverse the undesirable effect of air drying.Edwards and Mumford (1983) informed that the seeds of citrus aurantium were stored in a range of different substances including fruit juices, phenols, return regulators, and a kind of fungicides and solutions of high osmotic potential. The effects of these substances on germination at 200 C and on viability of seeds stored at 40 C ove r long periods were examined. Low temperature 4 C alone was more effective and more valuable than any of the substances in preventing germination or growth in storage and had no adverse effect on germination percentage. The survival rate of imbibed seeds at 4C was best in 10-2 M NAA. The germination imbibitions at 25 C were incomplete with all the substances, and there was significant loss of viability.Ramos et al. (1997) reported that the immature fruits contain larger number of seeds than mature fruits. The seeds were removed from immature fruits, 10 to 12 weeks after flush of Citrus sunki and disinfected with 1 % NaOCl for 20 minutes before placing on Murashige and skoog medium. After 40 days at 25 C with a 16-h photoperiod at 3,000 lux, showed that the highest germination percentage rates (8 %) corresponded to an NAA concentration of 0.68 mg/L. The concentration of benzyladenine in this trial was inadequate to build satisfactory development of the immature seeds of cv. Sunki.K alita et al. (2002) determined the effect of plant growth regulators (PGRs) gibberellic acid, IBA, IAA and NAA at different concentrations (200, 400, 600 and 800 ppm) on citrus reticulate seed germination. Plant growth regulators (PGR) treated seeds required only fewer days for germination than distilled water treated seeds (control). Treatment with 600ppm IBA recorded the shortest time (19 days) required for germination. This was statically at par with 800ppm IAA, 600 and 800ppm GA3 (21, 20 and 21 days respectively). Treatment with 800ppm NAA recorded the highest germination percentage (86.6 %) which was statistically at par with 600ppm IBA (80 %). The control treatment recorded the lowest germination percentage (33.33 %). The highest leaf number (7) was recorded upon treatment with 800ppm IBA. The control treatment recorded the lowest leaf number as compared to the PGR treated seeds.Parsad and Rekha (1991) observed that the seeds of three strains of Rangpur lime and acid lime were irradiated at the amount of 6-2KR and germination rates were compared with that of the control one. A significant decreased in germination rates were occurred with increasing the exposure of 50-60 % at the semi lethal dose level. The radiation sensitivity was of chief importance in the mutations program.Rao and Singh (1992) reported that hydration-dehydration treatments with tanic acid and benzoic acid increased the percentage of the germination in black gram and green gram, while compared with water soaked and dry seeds. Dhillion et al. (1993) examined that hybrid seeds from 6 citrus cultivars crosses, dried and sown in polythene bags filled with a mixture of farm yard manures (FYM) and sand during the month of August. Seeds of seven combinations failed to germination. The highest seed germination percentage (74.4 %) was gained with the Ludhiana excerpt + Lime Attari cross.Leonel et al. (1994) accounted that seeds extracted from mature and ripe fruits on 5th May, washed in runnin g tap water and then dried down the stairs shade for a week, stored at 4-5 C until 16 September. Then these seeds were soaked in water in various solutions of growth regulators for 24 hrs. The seeds were germinated at 25 C under white light on filter paper moistened with distilled water. The germination was evaluated after every two days. Data was calculated and tabulated on the number of germinated seeds, germination percentage, number germination time and average rate. The differences were observed between different treatments but germination was highest (97 %) following treatments with phenylmethylaminopurine at 20mg/L.Raju and Sivaprakasam (1994) deliberated that the effects of the treatments with fungicides, bactericides, hot water on the viability of mulct cultivars. September seeds were judged promptly after treatment and after storage under ambient condition for 3 or 6 months. Seeds treated with carbendazim at the rate of 2g/Kg, hot water at 50C for 30 min or thiram at th e rate of 2g/Kg had higher germination percentage (mean determine for the 3 assessments of 80 %) than the control (71 %).Normah et al. (1997) observed that desiccation sensitivity of seeds of mangosteen (Garcinia mangostana), rambai (Baccaurea motleyana) and jelentik (Garcinia polyneura). These were known as tropical fruits species believed to have recalcitrant seed storage behavior. The seeds showed no dormancy, they germinated easily. At the time of harvesting, the moisture contents were 53.54, 51.20 and 44.90 %. The seeds of Mangosteen (G. mangostana) lost their viability when their moisture contents fell to about 24 % while B. motleyana seeds lost viability below 35.5 % moisture contents. However, for B. polyneura seeds could be dried to low moisture contents with highest survival rate. The viability was still high when the moisture contents were reduced to 13.46 %. At this moisture content, the germination percentage was 91.76 % and it was found that the seeds survived cryopre servation with 8.3 % viability. For B. polyneura axes, the los of viability when their moisture contents fell to about 36 %, while for B. polyneura axes viability was reduced to 33.67 % when the moisture is 27.30 %. So it was concluded that the seeds vary in degree of desiccation sensitivity.Dussert (1999) determined the seed desiccation sensitivity in nine species of the genus Coffea by measuring seed viability after equilibration and various saturated salt solutions. The results showed that Coffea is a suitable material for studying desiccation sensitivity.Leonel and Rodrigues (1999) reported that the citrus limonia seeds were extracted from ripe fruits, washed with tap water, air dried and then these seeds were stored at 4 C for 12 days. After storage these seeds were then treated for 24 hrs with KNO3 0.1 % at the rate of different concentrations. The evaluations were observed and conducted at 5 days interval, starting 15 days after sowing. The statistical analysis showed that th e growth regulator treatment did not enhance seed germination and those treatments with KNO3 at 0.1 % and 0.2 % inhibited the germination of seedsTokeshi et al. (1999) reported that the supply of energy of seeds decreases during the germination periods. The survival percentage of the seedlings probability increases if the germination period of seeds is reduced. The potential of seedling survival is called vigor which can be determined from the focal ratio of emergence. The effective micro organisms (EM) have plant growth regulator action like Naphthalene acetic acid. The speed of emergence was evaluated in tangerine cv. Coleoptra seeds treated with metalaxyl for 30 minute before sowing. The speed of emergence of the EM treatment was superior to the control one. The growth promoter effect of EM was best during the initial four days of emergence of the seedlings. In comparison of 40 days old seedlings, the EM treated seeds produced larger plants than that of the control treatment.Hon g et al. (2000) stated that the viability of Norway maple seeds collected 21 days before mass maturity (68 % moisture content) and at mass maturity (65 % moisture contents). Their viability was reduced from 52-85 % to 7 % if dried rapidly to 4-5 % moisture contents.Effect of storage on seed moisture contentsKing and Roberts, (1979) stated that viability of citrus seeds is greatly affected by drying for different time periods, viability being decreased when the moisture contents were reduced to some extent. Citrus seeds have been usually classified as recalcitrant seeds as some species loss their viability when the moisture contents are reduced below 10 %. Recalcitrant seeds normally originated from certain moist areas where the seeds are not exposed to drying before germination. In their instinctive habitat, conditions are oftentimes favorable for instantaneous germination and the seeds do not require long term storage conservation.Richards, (1952) reported that the seeds of musk lime (C. macrocarpa) lost their viability at different storage regimes, at high temperature and at the low moisture contents in a few days. Teng and Hor, (1976) reported that the seeds of country lime (C. aurantifolia) lost their viability and moisture contents after 7 days when they were stored at 20-25C. Mungomery et al. (1966) determined that the viability of citrus seeds can be maintained in storage regimes when the moisture content is high and the range of temperature is 5-10 C.Barton, (1943) reported that sour orange (C. aurantium) seeds deteriorated in a short time at the moisture contents of 80 % and a temperature of 5 C, but rough lemon (C. limonia) seeds were still viable at the moisture contents of 56 % and at a temperature of 5 C after 500 days. The seeds of C. grandis were viable at the moisture contents below 10 % (Hanjo and Nakagawa, 1978) and the seeds of grapefruit (C. paradise) and mandarin (C. reticulate) were viable after 80 days stored at 14.1 % and 10 % moistur e contents respectively at a temperature of 4.5 C (Mallareddy, et al., 1977).Mumford and Grout, (1979) indicated that citrus seeds can be stored in dry condition for different time periods. Recently experiments have shown that C. limon seeds remained viable for 20 days stored at a moisture content of 1.2 % at room temperature, provided that the testas were removed from the seeds before drying.The advantages of storing dry seeds are significant in practical terms since a very little space is occupied by the dry seeds and they are easier to handle and maintain free from micro- organisms, but there is insufficient evince to data to suggest that all citrus species can be stored in this way.Cameron and Soost, (1969) reported the fact that the seeds responded differently to dry storage when their seed coats were removed. The seed coat may be an important factor in seed preservation. It is known that the seed coat generally is one of the major and important factors that generally influen ced seed germination. Citrus seed coats can be easily distinguished into three layers, the mucilage, the testa and the tegmen. The outer seed coat or testa is tough and is cover by mucilage. The tegmen is a thin and papery layer of seed. Their roles are not still well understood. Removing the testa usually accelerate the germination of the seeds. In their natural habitat, these layers are likely to protect from the dehydration until purlieual conditions are favorable for better germination of citrus seeds (King and Roberts., 1979).Hortmann et al. (2001) reported that the rate of germination of the Seed is greatly influenced by many factors, which include type of substrate, environmental factors such(prenominal) as oxygen, water and temperature and for some plant species, light.Effect of Desiccation on Citrus Seedswoodwind instrument et al. (2000) concluded that desiccation results in the induction of dormancy rather than reducing the seed viability and showed that heat shock (4 hou rs at 36C) followed by low temperature (26CC) could be used to break the dormancy.Wood et al. (2000) determined the effect of desiccation and temperature on germination capability of Papaya seeds. More than 50 % of freshly isolated cleaned but un-dried seeds germinated at 26 C. However, desiccation to approximately 20 % congress humidity reduced the rate of germination percentage at this temperature to less than 10 %. A substantial increase in the rate of germination at alternating temperature (33/19C) indicated that desiccation induces seed dormancy rather than viability loss.Doijode (1998) reported that the seeds of Kaghzi lime with 6.6 % moisture contents were packed in aluminoum foil laminated pouches under partial vacuum and then these packets were filled with nitrogen and carbon dioxide. These packet were stored at -20, 5, 15 C and ambient (16-35 C) temperature. There was no germination of seeds which were stored under ambient temperature after 6 months of storage while their viability was retained for 24 months in low temperature. Seed viability was initially affected due to desiccation injury.Pritchard et al. (2004) reported that the first challenge for the long term conservation of seeds of desiccation sensitive species is to determine their response to desiccation tolerance. This can be achieved either by the routine processing of seeds for long term conservation and identifying species more actively by specific, targeted screening that fail to survive or by fully characterizing the response to dehydration of individual species ( Hong and Ellis, 1996). Using these approaches, approximately 540 species with desiccation sensitive seeds have been identified (Flynn et al, 2004), although it has been estimated that this trait could be present in an approximately 8 % (20000 species) of the world flowering plants (Dickie and Pritchard, 2002). As it is unlikely that all of these species will ever be identified through experimental determination, a second ap proach to desiccation tolerance investigation is needed that identifies reliable and robust correlate of seed desiccation, leading to the development of a predictive skeleton in the closet work for seed storage responses.A number of studies have determined potential correlation of seed desiccation sensitivity, including seed mass (Hong and Ellis, 1998 Dickie and Pritchard, 2002 Pritchard et al., 2004), seed shape(Tompsett, 1984,1987 Hong and Ellis, 1997, seed moisture content at shedding (Hong and Ellis, 1998), seed germination rates, seed allocation to physical defence (Pritchard et al., 2004 Daws et al., 2005) and both gross and local crustal plate habitate variables (Hong and Ellis, 1998 Dussert et al., 2000 Tweddle et al., 2003 Pritchard et al., 2004 Daws et al., 2005).Rate of dehydration greatly effects desiccation tolerance of recalcitrant seeds. This effect is presumably related to two different stress factors direct mechanical or physical stress factor because of the loss of the water physiochemical damage of tissues as a result of metabolic alterations during drying. Liang and Sung (2002) determined a sweet theoretic approach to represent these two types of stresses and investigated how seed tissues responded differently to two stress vector, using the model of cocoa (Theobroma cacao) and ginkgo (Ginkgo biloba) embryonic tissues dehydrated under various drying conditions. Cumulative desiccation stress increased sharply under slow drying conditions, which was also detrimental to embryonic tissues. This quantitative analysis of the stress time response relationship helps to understand the physiological basis for the existence of an optimal dehydration rate, with which maximum desiccation could be achieved.Hong et al. (2001) determined that storage behavior and longevity of seeds of lemon (C. limon) and sweet orange (C. sinensis) following desiccation between 14 and 4 % moisture contents. They also observed the hermetic air dry storage for up to 914 d ays at temperature between 15 and -20 C up to 6 days in liquid nitrogen (-196 C). The results conformed that both the species showed intermediate storage behavior that is between Orthodox and recalcitrant. Air dry storage environment require care to obtain maximum longevity of seeds. The seeds of sweet orange were highly sensitive to desiccation tolerance and less than 25 % of seeds were survived more than 210 days at 5 C and 8.7 % moisture contents. The most advantageous air drying environment for the medium storage of the longer lived lemon seeds was 5C and 7.5 % moisture contents.Fu et al. (1994) reported that desiccation tolerance of Clausena lansium (Lour.) seeds was highest at 67 days after anthesis (DAA). When they tolerated air- drying for 9 days 74 DAA was measured as physiological maturity and their full viability was only maintained for up to 3 days of drying. Over ripened seeds (88 DAA) had the lowest desiccation tolerance. In Litchi chinesis (Sonn.) the desiccation sen sitivity of seeds at 98 DAA (fully mature) was higher than that at 84 and 91 DAA (less mature).Role of Seed Drying Methods on Citrus Seed BehaviorSaipari et al. (1998) determined the effect of air and silica drying on seed germination percentage and viability, field emergence, seedling growth and water absorption patterns in citrus species. P. trifoliate was the most sensitive to seed drying while C. grandis and C. karna were fairly tolerant to seed drying. Seed viability scored on the basis of tetrazolium staining was approximately higher but paralleled the germination percentage in laboratory and seedling emergence.There have not been appropriate methods for drying of seeds. The drying of seeds has major effect on the quality of the seed. Pachy et al. (2003) intentional an experiment to determine proper drying techniques in order to improve the seed quality of citrus seeds. There were three drying methods namely sun drying, 40C hot air oven and using silica gel as the moisture absorbent. Initial seed moisture content were determined and recorded. Seed samples were quickly dried until it reached to the moisture contents of 20, 15, 10, and 5 % respectively. Standard germination tests, vigor tests by accelerated aging technique, viability tests by tetrazolium chloride test were used. It was observed that drying with silica gel result 57 % germination rate, 92 % in viability test and 38 % in vigor test. Hot air oven drying method provided 47 % in germination, 90 % in viability test and 29 % in vigor test. The result of two previous methods can maintain the viability of citrus seeds but can not sprout may be due to chemical inhabitant of seeds. While the sun drying method result poorest quality of the seeds which were 30 % in germination rate, 85 % in viability and 19 % in seed vigor. The use of sun drying system has provided highest temperature which generally makes them unsuitable for small scale drying harvested seed crops. Silica gel can reduce the relativ e humidity below 40 % and then removed the seed moisture contents. Therefore, drying with seed moisture absorbent was the best result and sun drying was the poorest method of drying seeds.Sangakara, (1995) reported that the drying citrus seeds under shade and ambient temperatures maintained germ- inability to greater extent than when the seeds are desiccated in ovens.Silica gel drying method was first used by the Pritchard et al. (2004) for safe and effective dehydration of seeds. Six or seven aliquots of seeds were placed in polythene bags with an equal mass of freshly regenerated silica gel desiccants. The bags were then placed in an incubator at 26 C and periodic reweighing of the seeds, separated from the silica gel, allowed target masses and hence the moisture contents to be obtained. Maximum drying times varied from 6 d, for Sclerocarya birrea, to 35 d for Syzygium cumini depended on the time required for the seeds to reach3-7 % moisture contents.Edwards and Mumford (1985) dri ed up the seeds of sour orange in streams of air and some of its constituents gasses which were O2, N2 and CO2 at 25-40 C. The seeds lost their moisture contents at different rates in the different gasses at the same temperature and showed marked variation in the rates of germination. The intact seeds dried at a rate of 30 % moisture loss per 100 hrs in a rapid air current showed the best viability.Chemical composition of Citrus seedPrill et al. (1949) determined the effect of chemical compounds and organic acids on the germination of the seeds and growth of seedlings. Evenari, (1949) mentioned that fruit juice of C. aurantium, C. limon, C. maxima and C. nobilis contain a substance that inhibit the germination of the seed of citrus. The effect of these acids and chemical compounds on the germination of citrus seeds and the effect of a sudden tack in their concentrations on the physiology of seed has not been explored.Cohen, (1956) and Monselise (1959) provided the evidence for the existence of the inhibitors in the seed coat of citrus seeds. They showed that when the seeds of citrus were soaked in water, the resulting solutions inhibited the germination of weed seeds and suggested that this effect might be caused by the presence of inhibitor substances in the seed coat of citrus such as phenolic contents.Van buren, (1970) reported that the chemical compounds like protein, fats, sugars, phenolics, enzymes are widely distributed in plant, particularly in fruits. The amount of these compounds per fruit usually decreased as the size of the fruit increased. Among these compounds phenolics are the major inhibitors for the germination of seeds after ABA.Ulrich, (1970) reported that when citrus seeds are removed from the fruits there was a remarkable change in their environment because the pulp and juice of the fruit are very rich in organic acids and chemical compounds like protein, fats, sugar and lipids. These compounds are usually dissolved in the water either fr ee or in combination with salts, esters or glycosides. In lemon juice the citric acid is 60-90 % of the sum soluble sugars (Wolf, 1958).Devlin, (1975) determined the effect of dehydration on the seed coat that has not been still investigated, and it is possible that the viability of the seed is reduced during drying due to change in the nature of the seed coat which in turn effect the embry

Physiology of Manic Depression

Physiology of Manic DepressionBre WilsonManic Depression, or more commonly known as bipolar disorder, is a disorder that causes the patient affected to cps through periods of natural belief and mania (NIMH n.d.). There are three general types of Bipolar Disorder and then a fourth category for those who do not fall within any of the previous categories. Bipolar I Disorder is defined by manic results that last at least 7 years and then a depressive episode lasting at least two weeks. Symptoms may be severe enough to seek immediate medical care. Bipolar II Disorder is defined by recurring depressive, and hypomanic episodes, but not to the extent of Bipolar I. Cyclothymic Disorder is defined by numerous periods of hypomania and depression that lasts longer than two years in adults, (for one year for children), but the symptoms exhibited do not fit the within the categories of a simple hypomanic episode or a simple depressive episode. The final category is Other Specified and Unspeci fied Bipolar and Related Disorders which is defined as bipolar tendencies, and symptoms, that do not play the requirements within the previous three categories (NIMH n.d.). The true cause of Bipolar Disorder is unknown but scientists believe that it could be over due(p) to many environmental and communicable factors, as well as chemical imbalances within the headspring- such as gamma aminobutyric acid, serotonin, dopamine and norepinephrine (Bressert 2016). Some people experience rapid cycling of episodes turn others experience a prolonged period of time between cycles of episodes. The exact cause behind the rapid cycling is unclear but researchers believe that its due to the consistent misfiring of receptors causing mayhem within the Central Nervous System. These neurotransmitters play a huge role in a persons circadian rhythm, their emotional formula and regulation, their behavior and how well they respond to stress.After years of study, Manic Depression is now thought to be a result of serotonin, norepinephrine and dopamine imbalance, as well as a GABA defect within the hippocampus (Frey 2007). GABA, a relative of Glutamate, is a primary inhibitory neurotransmitter which means that it mediates other neurotransmitters to oppose over exertion. Glutamate is the most abundant neurotransmitter present within the Central Nervous System. Its hypothesized that erratic misfiring of the Glutamate receptors within the brain could possibly be the cause of GABA fluctuations (Frey 2007). This causes the neurotransmitters that GABA mediates, (norepinephrine, dopamine and serotonin), to fluctuate unpredictably as well causing the mood swings, sleeplessness, depression and self-destructive behavior expressed by patients diagnosed with Manic Depression. Dopamine, which acts on the D receptors in the brain, is the neurotransmitter that regulates a persons feelings of pleasure and emotional reward. Norepinephrine, which acts on alpha and beta adrenergic receptors, is th e terminal neurotransmitter of the Sympathetic Nervous System. Norepinephrine is the fight or feather molecule. Serotonin, which acts on the 5-HT receptors within the brain, is the neurotransmitter that fosters feelings of happiness and well-being. Modifying the effectiveness, or quantity, of these three neurotransmitters is what leads mania, hypomania, and depression exhibited in patients with Manic Depression.People who are experiencing a manic episode often employ in risky behaviors, (binge drinking or promiscuity), exhibit restlessness, and experience disruptions in their sleep patterns. Manic episodes whoremonger be triggered chemically within the brain, or they can be triggered by external factors such as excessive stress, a change in diet or exercise, excessive caffeine intake, antidepressant medication, and indisputable other medications as well (Bressert 2016). Dopamine plays a role in the behaviors exhibited by patients in manic episodes. Dopamine acts on the D recepto rs within the brain and cause a person to be emotionally satisfied. When the receptors cannot receive dopamine due to a blockage, or antagonist, emotional satisfaction is dramatically lowered- causing patients to restrict is risky behavior to try to fulfill their emotional needs. Rapid firing of norepinephrine receptors cause unpredictable, behavior due to the influence on the sympathetic awkward system. Some studies suggest that mania is due to certain circadian cues and insist that treatment for manic depression be scheduled around a persons circadian rhythm (Roybal et al 2007). Serotonin plays a role in mania because patients have decreased binding affinity at 5-HT receptors during a manic episode (Yatham 2010). Serotonin and norepinephrine play a major role in mania but has also been linked to the depressive episodes as well.Depressive episodes almost always describe manic episodes which is most likely the result of neurotransmitter re-uptake and are the result of neurotrans mitter imbalance within the brain. Many times, manic depression is often misdiagnosed as depression since depressive episodes are easier to diagnose than manic episodes, and therefore an antidepressant is prescribed. However, when a patient takes an antidepressant, such as a serotonin reuptake inhibitor, it doesnt allow the active reuptake of serotonin which often leads to a manic episode because of the reduced binding (Yatham 2010). In contrast with manic episodes, brain serotonin 5-HT receptor binding is change magnitude during bipolar depressive episodes. Treating manic depression is often very complex and combines a process of finding just the right regime of medication, as well as psychotherapy.Although manic depression is a life-long illness that cannot be totally eradicated, many patients can lead a semi-normal, productive life if properly medicated. Typical treatments for bipolar disorder include psychotherapy, mood stabilizers, antipsychotics, and some Selective Serotonin Reuptake Inhibitors (NIMH n.d.). In some cases, doctors will prescribe a medication to combat the depression, a medication to combat the mania, and then medication to combat any side effects caused by the other medications. Patients who exhibit a higher rate of serotonin 5-HT binding prior to starting medication had a higher chance of recurring episodes, even while taking medication, than did those who had a lower rate of serotonin 5-HT binding prior to medication (Parsey 2013). Lithium was a dose that works within the nervous system to strengthen the neural connections between carrels to increase cell signaling therefore limiting the frequency and intensity of manic-depressive episodes. Lithium was anticipated to have success rates as high as 70%-80% but studies now indicate that Lithium really has a success rate of approximately 40% and comes with a plethora of side effects (Surgeon superior general Report for rational Health). Modafinil is an alpha-adrenergic agonist and dire ctly stimulated the receptors within the brain (modafinil.com n.d.). The reuptake of noradrenaline by the noradrenergic is decreased and increase excitatory glutamatergic transmission is increased. This decreases GABAergic transmission, resulting in the elimination of GABA receptor signaling which could combat symptoms of bipolar depression by limiting the abundance of GABA receptor misfiring (modafinil.com n.d.). Studies show a epochal improvement in depressive symptoms in the patients who received the experimental drug (Modafinil) by the second week with maintained improvement throughout the remainder of the experiment (Frye 2007). The drug did not seem to affect mania however, because during the experimental period, there was no significant difference between the emergence of mania or in hospitalizations due to mania (one per group) (Frye 2007).Works CitedBressert, S. (2016). Causes of Bipolar Disorder. Psych Central. Frey B. N., Andreazza A. C., Nery F. G., Martins M. R., Queve do J., Soares J. C., Kapczinski F. (2007). The role of hippocampus in the pathophysiology of bipolar disorder. Behavioral Pharmacology, 18(5-6)419-30Frye, M. A., Grunze, H., Suppes, T., Mcelroy, S. L., Keck, P. E., Walden, J., . . . Post, R. M. (2007). A Placebo-Controlled Evaluation of Adjunctive Modafinil in the Treatment of Bipolar Depression. American Journal of Psychiatry, 164(8), 1242-1249.Modafinil (Provigil). (n.d.). Retrieved March 29, 2017, from https//www.modafinil.com/National Institute of Mental Health. (n.d.). Retrieved March 28, 2017, from https//www.nimh.nih.gov/health/topics/bipolar-disorder/index.shtmlpart_145402Parsey RV, Olvet DM, Oquendo MA, Huang YY, Ogden RT, Mann JJ. (2013). Higher 5-HT(1A) Receptor Binding Potential During a Major Depressive Episode Predicts scurvy Treatment Response Preliminary Data from a Naturalistic Study. Neuropsychopharmacology.Roybal, K., Theobold D., Graham A., DiNieri, J. A., Russo, S. J., Krishnan, V., Chakravarty, S., Peevey, J., Oehrlein N., Birnbaum S., Vitaterna, M. H., Orsulak, P., Takahashi J. S., Nestler, E. J., Carlezon Jr., W.A., and McClung C. A. (2007). Mania-like behavior induced by disruption of CLOCK. PNAS.Surgeon General Report for Mental Health. (n.d.). Accessed March 28, 2017.Yatham, L. N., Liddle, P F., Erez, J., Kauer-SantAnna, M., Lam, R. W., Imperial M., Sossi, V., and Ruth, T. J. (2010). Brain serotonin-2 receptors in acute mania. The British Journal of Psychiatry, 47-51

Case Study On A Patient With Heart Failure

Case Study On A Patient With nucleus FailureMr. SB, 60-year-old male is a retiree and was admitted to the hospital accompanied by his daughter. He is 100kg at a height of 180cm so his calculated embody mass index (BMI) was 30.9 indicating that he was overweight. When admitted, affected role was complained of shortness of breath for 2 weeks and was turn on the daytime of admission. Besides, he also experienced orthopnea, fatigue, paroxysmal nocturnal dyspnea and leg swelling up to his thigh. Mr. SB was admitted to the hospital for to the same occupation last year.Mr. SB had known case of heart sorrow since 3 years ago and he had also diagnosed with hypertension for 5 years. Before admitted to the hospital, longanimous was taking fr spendmide 40mg, aspirin 150mg, metoprolol 50mg, amlodipine 10mg, and simvastatin 40mg for his hypertension and heart failure. Patient does not allergic to whatsoever medication and he does not take any traditional medicines at home. His family histo ry revealed that his father had died of ischemic heart disease 4 years ago enchantment his brother has hypertension. As for his social history, he smokes 2-3 cig atomic number 18ttes a day for 35 years and the calculated smoking pack years was 5 pack years. Besides, Mr. SB also drinks occasionally.On examination, Mr. SB was pitch to be alert and conscious but he was having pedal oedema up to his knee. Besides, the patient was noted with bibasal crepitations with no rhonchi. His body temperature was normal. However, his channel pull was make up to be elevated upon admission with a record of 159/100 mmHg with an irregular pulse rate at 85beats/min. His echocardiogram showed that he had left ventricle hypertrophy while chest X-ray was conducted and revealed that the patient had cardiomegaly.Lab investigations such as full blood count, liver function test, urea and electrolyte test and cardiac enzyme were d unmatchable upon admission. His creatinine constriction was found to be 14 3 mol/L. on that pointfore, the calculated creatinine clearance was 68.8ml/min. Besides, there was also blood found in the urine and the echocardiography showed that the patient has sinus tachycardia. In addition, cardiogram test was performed on day 1 and the result indicated that there was a T-wave inversion. The patients INR was 1.04 which was lower than normal while APTT was found to be slightly higher (59.4 seconds). Mr. SBs hit-or-miss blood glucose was found to be normal during his hospitalization.Mr. SB was diagnosed with congestive cardiac failure (CCF) with fluid overload. The patient also suffered from hypertension. The management plan included intraveneous frusemide 40mg double daily, aspirin 150mg once daily, simvastatin 40mg once at night and ramipril 2.5mg once a day. Besides, patient was asked to restrict his fluid intake to 500ml per day and oxygen therapy was prone to patient at high flow using a face mask when patient experiencing shortness of breath.As for his clinical progression, on day 1, the patient was complained of shortness of breath, leg swelling and orthopnea. Enchocardiogram showed that he had cardiomegaly. Treatment of CCF was given. Throughout the stay in the hospital, Mr. SB had responded well to the heart failure therapy as there was no more complaint of chest pain or shortness of breath on day 13 and his pedal oedema had in stages improved. However, patients blood pressure throughout day 1 to 9 was fluctuating between the range of 102/67-160/100 mmHg and therefore, hypertension interposition was given and blood pressure on day 10 onwards had been seen fell within the normal range. Furthermore, Mr. SBs renal function became progressively worse from 143mol/L on admission to 175mol/L on day 11 and the calculated creatinine clearance on day 11 was 56.2ml/min.2. Pharmacological Basis of Drug Therapy2.1 Disease Summarycongestive cardiac failure (CCF) is a complex syndrome that is usually caused by the inability of heart to pum p sufficient blood to meet metabolic needs of body during get along. It is more usually known as heart failure38 and it can affect either left or right ventricle or both39. The risk factors predisposing one to heart failure are obesity, high blood pressure, diabetes, and smoking. Heart failure is commonly characterized by typical signs of fluid retention with symptoms of breathlessness, fatigue, paroxysmal nocturnal dyspnoea, and cut back answer tolerance39.CCF is a common disease which affects approximately 1-2% of the general population in developed countries1. Prevalence increases with age especially those aged above 75 years where the prevalence of CCF could be as high as 10%2. In addition, men are prone to getting heart failure as compared to women1. Each year, there are about 1-5 new cases of CCF per 1,000 population and it also increased with age40. In United Kingdom, the incidence of CCF is about 0.02 cases per 1000 per annum between the ages of 25-34. However, the incid ence increased to 11.6 cases in those above 86 years old1. The prognosis for CHF is relatively poor. Approximately 40% of individuals with CCF die within a year after diagnosis3.There are many causes of CHF but the most common underlying causes are heart attack, coronary heart disease, and high blood pressure. Others such as cardiomyopathy, valvular heart disease and diabetes may also precipitate heart failure4. An early diagnosis of CHF is often establish on the signs and symptoms which the patient is experiencing5. Other tests are take to confirm or rule out the diagnosis. These include chest X-ray examination, physical examination, electrocardiograph (ECG), echocardiography and exercise testing.The severity of heart failure can be classified according to the New York Heart Association (NYHA) classification system. This system consists of four classes which relate patients symptoms to physical activities and quality of life.Table 1 New York Heart Association (NYHA) Classification 5.ClassPatient SymptomsI (Mild)No symptoms with ordinary physical activity (walking and climbing stairs)II (Mild)Slight limitation of activity with dyspnoea to unvoiced exertions (climbing stairs or walking uphill)III (Moderate)Marked limitation of activity. Less than ordinary activity causes dypsnoea. (restricting walking distance and limiting climbing to one outflow of stairs)IV (Severe)Severe disability, dyspnoea at rest. (unable to carry on physical activity without discomfort)2.2 Drug pharmacology in treatment of congestive cardiac failureChronic cardiac failure should be treated immediately once it is diagnosed. The goal of treatment is to improve patients quality of life by alleviating the symptoms, improving exercise tolerance, preventing the progression of myocardial damage as well as reducing hospital admission and mortality.Angiotensin-converting enzyme inhibitors ( sentiencyis) apprehend inhibitors are considered as first line therapy in patients with CCF5. They bind t o and inhibit angiotensin converting enzyme which subsequently inhibit the action of angiotensin I. As a consequence, the production of angiotensin II is prevented. Angiotensin II is a potent vasoconstrictor which has a direct action on kidney to stimulate the secretion of aldosterone and antidiuretic hormone (ADH). This will cause sodium and water retention. Hence, sense inhibitors improve cardiac function and relieve symptoms of oedema by promoting sodium and water excretion41. Besides, they also increase the concentration of a potent vasodilator, bradykinin. This results in a fall in blood pressure as bradykinin is associated with the release of nitric oxide and prostacyclin. However, high levels of bradykinin also responsible for the main adverse effect of ACE inhibitors, wry cough42. Other common side effects include hyperkalaemia, profound hypotension and gastrointestinal disturbances15. ACE inhibitors are contraindicated in patients with renal impairment even though close to studies have shown that they have renal protective properties43. Example of ACE inhibitors are captopril, enalapril, and ramipril. The starting dose for ACEis should be low and the dose should be increased gradually to put doses5.Beta blockersBeta blockers used to be contraindicated in patients with CCF as it may worsen the condition of the heart due to its negative inotropic effect. Nowadays, beta blockers should be considered in all patients with heart failure unless contraindicated5 as they have been shown to reduce the mortality, hospitalization and the progression of heart failure7. Beta blockers should be introduced following treatment with ACE inhibitor once the patients condition is stable7. Only bisoprolol, carvedilol, and nebivolol are currently licensed to be used in the treatment of heart failure in UK8. Both nebivolol and bisoprolol are cardioselective where they act on beta1 receptors. On the other hand, carvedilol is a non-selective beta blocker9, 10. The mode of action of beta blockers in heart failure is seriously understood but the proposed mechanisms include antiarrhythmic action, anti-ischaemic action, and attenuation of cathecholamine toxicity as well as reduced cardiac modelling through blockade of philanthropic influences on the heart9. Besides, carvedilol has an additional antioxidant property which may be thought to slow down the process of atherogenesis by inhibiting the oxygen-free radicals11, 12. The starting dose should be low as high doses may worsen the condition of heart failure7. Over time, the dose of beta blocker should be gradually titrated upward if the patient is well tolerated until target dose is reached5.DiureticsDiuretics are often used to relief the congestive symptoms and fluid retention7. Hence, they should be used in heart failure patients with the symptom of oedema7. Frusemide, a interlace diuretic is the most commonly used agent in heart failure. It is considered as the first choice of drug for the long-te rm treatment of CCF with the advantages of improves cardiac function, exercise tolerance, as well as symptoms of breathlessness and oedema13. The main site of action is at the thick ascending limb of the loop of Henle. Furosemide acts at the Cl- vertebral column site of Na+/K+/2Cl- co-transport and as a result, sodium reabsorption is inhibited. This promotes the excretion of sodium up to 20-25% as well as enhances water clearance13. Consequently, it reduces the blood volume thus reducing the preload on the heart. As a result, ventricular ejection is improved and the heart is able to pump more efficiently14. The most common side effect is hypokalaemia. Hence, it is important that patients potassium level and the renal function are closely monitored.Aldosterone AntagonistsPatients with moderate to severe heart failure should be considered for the treatment of aldosterone antagonists such as spironolactone15. It is a potassium sparing diuretic where its action is mainly on the renin-a ngiotensin-aldosterone (RAA) system18. Spironolactone prevents the synthesis of basolateral Na+/K+-ATPase pump protein by acting as a competitive inhibitor at the aldosterone receptor site in the distal convoluted tubules. As mentioned earlier, aldosterone promotes sodium and water retention and the use of spironolactone therefore inhibits sodium and water reabsorption while retains potassium. As a result, spironolactone reduces the studyload of the heart and the heart is therefore able to work more efficiently18. It is often use in conjunction with other agents such as diuretic in the management of CCF44. Nevertheless, spironolactone may cause hyperkalaemia, specially in patients with renal impairment due to the inhibition of potassium excretion. Hence, the patients potassium level and the renal function should be closely monitored.3. Evidence for treatment of the condition(s)Angiotensin-Converting Enzyme Inhibitors (ACEis)ACE inhibitor, ramipril prescribed for my patient Mr. SB was proven to be the mainstay therapy in the management of CCF. NICE and SIGN guidelines recommended that ACE inhibitor therapy should be started once the patient is diagnosed with CCF ahead beta blocker is initiated5, 32. It should be prescribed to the patients with heart failure due to left ventricular dysfunction as studies have demonstrated that ACE inhibitors pacify symptoms and reduce rehospitalisation as well as slow down the progression of the disease in all NYHA classes5, 33. The benefits of ACE inhibitor in CCF can be seen based on the systemic review of 5 randomised, controlled trials which involve a total of 12763 patients. Results shown that in comparison to placebo group, long term treatment with ACE inhibitors were shown to have statistically significant reduction in mortality rate (23.0% vs 26.8% p

Problems Caused By Air Pollution Essay -- essays research papers

Problems Caused By Air Pollution     Some lot think that blood pollution is not harming the earth or thepeople, but it is doing worse, by killing the earth and getting people sick."Air pollutants," according to Gay, "are known to make up respiratory diseases,cancer, and other serious illnesses" (12). Air pollution not only threatens thehealth and life of humans but also causes impose on _or_ oppress to the environment (Gay 13).     First, station pollution causes a great deal of health problems. Wantingclean air is a good reason because air that is polluted can damage human health(Edelson 25). In the United States many health problems have occurred becauseof air pollution. According to Sproull, "For more than a decade, localresidents in the tri-state vale delimited by Kentucky, Ohio, and West Virginiahave claimed to suffer from health problems, including rashes, respiratoryproblems and even cancers" (D4). In 1948, in the industrial town of Donora,Pennsylvania, which sits in a valley, had twenty deaths, and almost 6,000residents, or 40% of the population, suffered respiratory problems (Edelson 25,26). New York experienced several killer smogs, which in a later analysisattributed, from the usually severe pollution, 58 deaths (Edelson 26). not onlyin the United States are health problems caused by air pollution showing up, butthey are also showing up in other parts of the world, like Europe. In 1930, inBelgiums Meuse River valley, a major industrial region, where the primary fuelwas coal reported sixty deaths, and about 6,000 residents of the valley becameill with breathing problems and respiratory infections (Edelson 25). InDecember 1952, the toll was huge in London from the infamous smog, which causedup to 4,000 deaths, when levels of sulfur oxides and particulates rose above figure (Edelson 26). Air pollution also increased deaths from chronic lungdisease in the United States. "Although statistics on the physical effects ofair pollution are not easily calculated," according to Edelson, "an alarmingrelated statistic is that between 1970 and 1986, deaths in the United Statesfrom chronic lung disease rose 36%" (35). Air pollution has cost a great dealof money on health care in the United States. In terms of health care and lostproductivity, the costs ... ... that do not harm the air,water, or land (Gay 121). Even though a large majority of Americans refuse tobuy products or pay for services that wreak to environmental problems,people should still get involved (Gay 121). In order to save energy to save theearth, people should do the following- When the lights are not in use, turn them off.- Instead of normal light bulbs, use compact fluorescent light bulbs.- On a short trip, walk or twit a bike.- Whenever possible, use public transportation.- To conserve heat or air conditioning, close off unused rooms.- To save fuel, adjust thermostat a a couple of(pr enominal) degrees lower for heating andhigher for cooling.- For better efficiency, clean furnace and air condition filters.- Only when full, run the dishwasher, washer, and dryer. (Gay 115)There is no excuse, for not becoming involved to stay air pollution. Manyscientists predict that the temperature of the earth will rise because of globalwarming (Edelson 87). Some scientists already believe that the earth is alreadywarming (Edelson 87). If people do not become involved the earth will not besuitable enough to live on in the future, and there ability not be anybody leftfor the future.

Pollution Essay: Silent Spring, How Rachel Carson Changed the World :: Environment Environmental Preservation

still Spring - How Rachel Carson Changed the WorldOn September 27, 1962 Rachel Carson released her sixth book, still Spring. On publication day, the advance sales of Silent Spring totaled 40,000 copies and another 150 copies were sent to the Book of the Month Club (Frontline Fooling With Nature, 1998). Silent Spring remained on the bestseller list for almost a year. The world was beginning to take notice. Countless experts and organizations have proclaimed Rachel Carsons book the starting point of the environmental movement. Carson described numerous case studies where the design of hazardous pesticides, insecticides, and other chemicals led to environmental problems all over the world. Whether directly or indirectly, everything in the environment is connected and affected by each other. Silent Spring describes, in depth, the harmful effects that chemical control has placed on all components of the environment. They include air, water, land, wildlife, plant life, and humans. I wil l discuss each of these categories as examined in Silent Spring along with my personal analysis.First I will discuss the damage from chemicals released in the air. Aerial spraying of pesticides, generally DDT, began on a small scale over farms and forests. With the development of new insecticides and the availability of planes from the war, the sky almost literally turned into a shower of cyanogenetic chemicals. The justification behind the massive sprayings of the 1950s was to exterminate exotic species like the fire ant, and the gypsy moth. The spraying was extremely careless, and resulted in heavily populated towns and cities repeatedly being sprayed with DDT (Carson, 1962). Unfortunately, people and wildlife sprayed with DDT along with other chemicals had no warnings and no way to protect themselves. The government, without consent of those affected, risked the health of those exposed to the pesticides and the quality of the environment. to the highest degree everyone was ex posed to the risks, in a direct or indirect way, from the extensive aerial spraying.As described in the book, the gypsy moth is not a autochthonous of the United States. It had persisted in the U.S. for a great number of years without any need for extensive control measures. Carson states, Yet drastic action was suddenly interpreted against them under the end-justifies-the-means philosophy (Carson, 1962, p.156). Therefore, unnecessary health risks and damage to the environment were considered acceptable in order to eliminate the gypsy moth, which has repeatedly been unsuccessful. One reason the gypsy moth still thrives is because, like many insects, they have developed resistance to the chemicals targeted against them.

Jack London Stories, The Red O :: essays research papers

The flushed OneJack London was one of America&8217s greatest authors. His works were of tales from the unexplored savage lands of the Klondike to the cannibal infested Philippine Island chain of the vast Pacific, and even the far reaches of space and time. Jack London himself was a open of the unexplored savage frontier. London wrote about this unknown frontier with a cunning sense of adventure and enthrallment. &8220He keeps the reader on tenterenters books by refuse facts in a way that makes him participate in the action (Charles Child Walcutt 16). He taunts the reader with unfulfilled information that subliminally encourages the reader to continue reading their selection. &8220The tortuously fancy style, it&8217s telling often proves an annoyance(Gorman Beauchamp 297-303). London&8217s writing attributes are so deep in description and narration, the reader sometimes perceives the story-taking place with them include in the action. His ability to exclude just the very miniscul e amount of information transforms his books into a semi-formal mystery. Mr. London&8217s tales deal with nature, the men and women who each neglected the fact that they are mere mortals, or they humbled themselves as being only a solitary one being on the earth. His stories fit the civilized American readers yearn for knowledge of what awaited them over the horizon, with either promise of prosperity or demise with a manifestation of dismay. Jack&8217s stories have to do with as much from the unknown as it does in dealing with personal experiences. At the young age of thirty-two, London set tangle for Hawaii and then the South Pacific. Where he encountered cannibals and inspiration for the later to be, &8220The Red One. Mr. London&8217s tale consisted of a foolhardy character named Bassett. Bassett is a accumulator of prized species who explores the cannibal-infested Island of current day Guadalcanal. Initially Bassett, against his instincts, follows a distant sound that emanate s deep within the Island. After headhunters kill his assistant, Bassett himself, teetering on the edge of death, stumbles into a mountain knit stitch and falls unconscious, with only hopes of dieing. He is saved by a foraging native that brings him to the capital village London&8217s character Bassett, freely concord to a death beheading instead of nervous meddling and contemplating the afterlife. &8220When I die I&8217ll let you have my head to cure, if first, you take me to look upon the Red One(Jack London 977).